599  
CDUS45 KBYZ 200440  
CLIBIL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BILLINGS MT  
940 PM MST TUE DEC 19 2023  
   
...............................  
 
   
..THE BILLINGS MT CLIMATE SUMMARY FOR DECEMBER 19 2023  
 
VALID AS OF 0900 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1934 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 54 311 PM 60 1979 35 19 2  
MINIMUM 36 919 AM -20 1990 18 18 -6  
AVERAGE 45 27 18 -2  
 
PRECIPITATION (IN)  
TODAY 0.00 0.18 1967 0.02 -0.02 T  
MONTH TO DATE 0.10 0.34 -0.24 0.44  
SINCE OCT 1 2.16 2.31 -0.15 1.88  
SINCE JAN 1 17.23 14.08 3.15 15.11  
 
SNOWFALL (IN)  
TODAY MM 4.0 2013 0.4 MM T  
MONTH TO DATE T 5.6 -5.6 6.7  
SINCE DEC 1 T 5.6 -5.6 6.7  
SINCE JUL 1 6.7 16.9 -10.2 16.8  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
TODAY 20 38 -18 67  
MONTH TO DATE 489 693 -204 864  
SINCE DEC 1 489 693 -204 864  
SINCE JUL 1 1848 2295 -447 2441  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 715 662 53 910    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION SW (240)  
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION SW (240)  
AVERAGE WIND SPEED 10.2  
 
SKY COVER  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 44 900 AM  
LOWEST 24 1200 AM  
AVERAGE 34  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 
 
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